Question

Find the inverse of the function.
y = 2x2 -4

Answer 1

Answer:
`y=\sqrt[]{(x+4)/(2) }`

Explanation:

`y=2x^2-4\\x=2y^2-4\\x+4=2y^2\\(x+4)/(2)=y^2\\ y=\sqrt[]{(x+4)/(2) }`